Table Romania 1
Importance
coefficients “α”
|
Classes of importance |
|||
|
I |
II |
III |
IV |
|
1.4 |
1.2 |
1.0 |
0.8 |
The coefficient “Ks”
|
Seismic Zone |
Ks |
|
A |
0.32 |
|
B |
0.25 |
|
C |
0.20 |
|
D |
0.16 |
|
E |
0.12 |
|
F |
0.08 |
Table Romania 3
The
“Cv” coefficients
|
Type of member |
Load or internal force modified |
Cv |
|
Members with prevailing axial forces |
Axial force of the member |
± ks |
|
Frame beams with high shear forces |
Shear force due to gravity loads, in sections close to the columns |
± 1.5 ks |
|
Beams with high concentrated vertical loads |
Concentrated loads |
± 1.5 ks |
|
Slabs floors directly bearing on columns (without beams) |
Shear force at bearings zones (for punching verification) |
± 2.0 ks |
|
Large span cantilevers |
Overall gravity load |
± 1.5 ks |